15.There is only mosaic no video when previewing or playing back video file remotely. Possible Causes:

a.Network bandwidth is not sufficient.

b.Computer does not have enough resources to handle video flow.

c.There is multiple-cast group setup in combo DVR. This mode can result in mosaic. Usually we do not recommend this mode.

d.There is privacy mask or channel protection setup.

e.Current user does not have monitoring rights.

f.Combo DVR local video output quality is not good.

16.Network connection is not stable. Possible Causes:

a.Network is not stable.

b.IP address conflict.

c.MAC address conflict.

d.PC or combo DVR network card is not good.

17.Burn error /USB backup error. Possible Causes:

a.Burner and combo DVR are in the same data cable.

b.System uses too much CPU resources. Try stopping recording first and then begin backup.

c.Data amount exceeds backup device capacity. It may result in burner error.

d.Backup device is not compatible.

e.Backup device is damaged.

18.Keyboard cannot control combo DVR. Possible Causes:

a.Combo DVR serial port setup is not correct

b.Address is not correct

c.When there are several switchers, power supply is not enough.

d.Transmission distance is too long.

19.Alarm signal cannot be disarmed. Possible Causes:

a.Alarm setup is not correct.

b.Alarm output has been opened manually.

c.Input device error or connection is not correct.

20.Alarm function is not working. Possible Causes:

a.Alarm setup is not correct.

b.Alarm cable connection is not correct.

c.Alarm input signal is not correct.

d.There are two loops connected to one alarm device.

21.Remote control does not work. Possible Causes:

a.Need to enter the correct Device ID on the remote control.

b.Distance is too far or control angle is too small.

c.Remote control battery power is low.

d.Remote control is damaged or combo DVR front panel is damaged.

22.Can not playback the downloaded file. Possible Causes:

a.There is no media player.

b.Need Divx Codec in file player

23.Forgot local menu operation password or network password

a.Contact Q-See tech support and we can generate a new password for the unit.

A.2 MINIMUM COMPUTER CONFIGURATION

Minimum required configuration of a PC for remote connection:

COMPONENT

MINIMUM REQUIRED

 

 

CPU

Intel Celeron 2.4G or later

 

 

MOTHERBOARD

Intel 845 or later

 

 

HDD

100G free space

 

 

RAM

1GB

 

 

VGA

128MB Video RAM

 

Full Direct Draw support

 

 

OS

Windows 2000(SP4 above) /

 

Windows XP(SP2 above) /VISTA/Win7

 

Macintosh OSX 10.6

 

 

DIRECTX

9.0

 

 

APPENDIX

WARNING! Do not turn the system power off during the upgrade process!

Doing so may damage the chipset and prevent the DVR from starting.

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Q-See QC40108 user manual Minimum Computer Configuration, Minimum required configuration of a PC for remote connection